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local lvgl = require("lvgl")
local power = require("power")
local bluetooth = require("bluetooth")
local font = require("font")
local backstack = require("backstack")
local styles = require("styles")
local database = require("database")
local theme = require("theme")
local screen = require("screen")
local img = {
db = lvgl.ImgData("//lua/img/db.png"),
chg = lvgl.ImgData("//lua/img/bat/chg.png"),
bat_100 = lvgl.ImgData("//lua/img/bat/100.png"),
bat_80 = lvgl.ImgData("//lua/img/bat/80.png"),
bat_60 = lvgl.ImgData("//lua/img/bat/60.png"),
bat_40 = lvgl.ImgData("//lua/img/bat/40.png"),
bat_20 = lvgl.ImgData("//lua/img/bat/20.png"),
bat_0 = lvgl.ImgData("//lua/img/bat/0.png"),
bat_0chg = lvgl.ImgData("//lua/img/bat/0chg.png"),
bt_conn = lvgl.ImgData("//lua/assets/bt_conn.png"),
bt = lvgl.ImgData("//lua/assets/bt.png")
}
local widgets = {}
widgets.MenuScreen = screen:new {
show_back = false,
title = "",
createUi = function(self)
self.root = lvgl.Object(nil, {
flex = {
flex_direction = "column",
flex_wrap = "nowrap",
justify_content = "flex-start",
align_items = "flex-start",
align_content = "flex-start",
},
w = lvgl.PCT(100),
h = lvgl.PCT(100),
})
self.root:center()
self.status_bar = widgets.StatusBar(self, {
back_cb = self.show_back and backstack.pop or nil,
title = self.title,
transparent_bg = true
})
end
}
function widgets.Row(parent, left, right)
local container = parent:Object {
flex = {
flex_direction = "row",
justify_content = "flex-start",
align_items = "flex-start",
align_content = "flex-start",
},
w = lvgl.PCT(100),
h = lvgl.SIZE_CONTENT,
}
container:add_style(styles.list_item)
container:Label { text = left, flex_grow = 1 }
container:Label { text = right }
end
local bindings_meta = {
__add = function(a, b)
return table.move(a, 1, #a, #b + 1, b)
end
}
function widgets.StatusBar(parent, opts)
local root = parent.root:Object {
flex = {
flex_direction = "row",
justify_content = "flex-start",
align_items = "center",
align_content = "center",
},
w = lvgl.HOR_RES(),
h = lvgl.SIZE_CONTENT,
pad_top = 1,
pad_bottom = 1,
pad_left = 4,
pad_column = 1,
scrollbar_mode = lvgl.SCROLLBAR_MODE.OFF,
}
if not opts.transparent_bg then
theme.set_style(root, "header");
end
if opts.back_cb then
local back = root:Button {
w = lvgl.SIZE_CONTENT,
h = 12,
}
back:Label({ text = "<", align = lvgl.ALIGN.CENTER })
back:onClicked(opts.back_cb)
end
local title = root:Label {
w = lvgl.PCT(100),
h = lvgl.SIZE_CONTENT,
text_font = font.fusion_10,
text = "",
align = lvgl.ALIGN.CENTER,
flex_grow = 1,
}
if opts.title then
title:set { text = opts.title }
end
local db_updating = root:Image { src = img.db }
theme.set_style(db_updating, "database_indicator")
local bt_icon = root:Image {}
local battery_icon = root:Image {}
local charge_icon = battery_icon:Image { src = img.chg }
charge_icon:center()
local is_charging = nil
local percent = nil
local function update_battery_icon()
if is_charging == nil or percent == nil then return end
local src
if percent >= 95 then
src = img.bat_100
elseif percent >= 75 then
src = img.bat_80
elseif percent >= 55 then
src = img.bat_60
elseif percent >= 35 then
src = img.bat_40
elseif percent >= 15 then
src = img.bat_20
else
if is_charging then
src = img.bat_0chg
else
src = img.bat_0
end
end
if is_charging then
charge_icon:clear_flag(lvgl.FLAG.HIDDEN)
else
charge_icon:add_flag(lvgl.FLAG.HIDDEN)
end
battery_icon:set_src(src)
end
parent.bindings = {
database.updating:bind(function(yes)
if yes then
db_updating:clear_flag(lvgl.FLAG.HIDDEN)
else
db_updating:add_flag(lvgl.FLAG.HIDDEN)
end
end),
power.battery_pct:bind(function(pct)
percent = pct
update_battery_icon()
end),
power.plugged_in:bind(function(p)
is_charging = p
update_battery_icon()
end),
bluetooth.enabled:bind(function(en)
if en then
bt_icon:clear_flag(lvgl.FLAG.HIDDEN)
else
bt_icon:add_flag(lvgl.FLAG.HIDDEN)
end
end),
bluetooth.connected:bind(function(connected)
if connected then
bt_icon:set_src(img.bt_conn)
else
bt_icon:set_src(img.bt)
end
end),
}
setmetatable(parent.bindings, bindings_meta)
end
function widgets.IconBtn(parent, icon, text)
local btn = parent:Button {
flex = {
flex_direction = "row",
justify_content = "flex-start",
align_items = "center",
align_content = "center",
},
w = lvgl.SIZE_CONTENT,
h = lvgl.SIZE_CONTENT,
pad_top = 1,
pad_bottom = 1,
pad_left = 1,
pad_column = 1,
}
btn:Image { src = icon }
btn:Label { text = text, text_font = font.fusion_10 }
return btn
end
return widgets
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